module insmem(
    input [31:0] a,
    output reg [31:0] spo
    );

    always @(*) begin
        case (a)
            0: spo = 32'h34020002;
            1: spo = 32'h8c030020;
            2: spo = 32'h34040001;
            3: spo = 32'h34050401;
            4: spo = 32'h00853020;
            5: spo = 32'h00052026;
            default: spo = 32'h00000000;
        endcase
    end
endmodule
